Australia at the 2018 Commonwealth Games

Australia competed at the 2018 Commonwealth Games in Gold Coast, Queensland between 4 and 15 April 2018. It was Australia's 21st appearance at the Commonwealth Games, having competed at every Games since their inception in 1930. Australia previously hosted the Games four times – 1938 Sydney, 1962 Perth, 1982 Brisbane and 2006 Melbourne.

Being the host nation, Australia sent a contingent of 474 athletes, participating in all of the 18 sports staged. Though only 469 competed. This was the highest number of athletes to represent Australia in a Commonwealth Games ever, eclipsing their previous record of 417 athletes at the 2014 Glasgow Commonwealth Games. Hockey athlete Mark Knowles was the country's flag bearer during the opening ceremony.